/Engine/Source/Runtime/RHI/Public/RHIGPUReadback.h
Copy the current state of the resource to the readback data.
virtual void EnqueueCopy ( [FRHICommandList](API\Runtime\RHI\FRHICommandList) & RHICmdList, [FRHIBuffer](API\Runtime\RHI\FRHIBuffer) * SourceBuffer, uint32 NumBytes )